CR/Silicone Rubber stopper 1.Certificate: ISO9001:2008 2.Oil resistant,temperature resistant, hard ... oilSizeWe can provide you with many different sizes of rubber stopper according to your drawing or samplesMatetialNBR, NR ,EPDM ,SBR ,SR ... located in Xinjiazhuang Industry Zone, Tongji Office , Jimo , Qingdao City, China. We mainly produce the rubber products for a wide range ...